Locked instrument
Technical field
The present invention relates to a kind of locked instrument, particularly relate to a kind of locked instrument of a plurality of lock members that can lock simultaneously.
Background technology
Along with computer cpu (Central Processing Unit, the CPU) increase gradually of arithmetic speed, also gradually increase of heat energy that its running the time is produced.Therefore, heat dissipation technology also becomes one of development priority of computer technology.
Please refer to shown in Figure 1ly, the radiating module 2 of cpu chip 1 comprises a copper sheet 21, a heat pipe 22 and a shell fragment 23.Wherein, copper sheet 21 be in order to thermal energy transfer that cpu chip 1 is produced to heat pipe 22, relend by heat pipe 22 thermal energy transfer to fan (not shown) discharged, shell fragment 23 is then with so that radiating module 2 engages with cpu chip 1 fixes.In addition, radiating module 2 more can be provided with a thermal grease (not shown) with cpu chip 1 junction, in order to improve radiating effect and cpu chip 1 is engaged with copper sheet 21.
And for making shell fragment 23 can apply a uniform pressure on cpu chip 1, make copper sheet 21 fifty-fifty the temperature from cpu chip 1 to be sent to heat pipe 22, and it is destroyed that reason pressure inequality does not cause the chip pin, therefore when passing the screw of shell fragment 23 by a plurality of screws 231 and be locked in shell fragment 23 on the circuit substrate 5, the strength that will pay special attention to put on the shell fragment 23 must be impartial.
Yet, the mode of locking shell fragment 23 in the prior art, the person of being to use utilizes a screwdriver 3 respectively to the action that locks of each screw 231.Thus, cause the strength difference that puts on each shell fragment 23 screw easily, make that the contact area between radiating module 2 and cpu chip 1 upper surface is inconsistent, and then cause radiating module 2 can't effectively bring into play the heat that effect is on average taken away cpu chip 1, even can destroy cpu chip 1 pin and have influence on the usefulness of cpu chip 1.In addition, lock respectively time of each screw 231 required costs is also longer.In addition, if when user's locking strength is too inhomogeneous, the stress that is caused even can make circuit substrate 5 bendings.
This shows that above-mentioned existing locking shell fragment obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of locked instrument of new structure, just becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing locking shell fragment exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of locked instrument of new structure, can improve general existing locking shell fragment, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Main purpose of the present invention is, overcomes the defective that existing locking shell fragment exists, and a kind of locked instrument of new structure is provided, and technical problem to be solved is to make its a plurality of screws that can lock simultaneously, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of locked instrument that the present invention proposes, it comprises: one grips the unit, has a rotating shaft; One interlock unit is connected with above-mentioned rotating shaft, and has an interlock ring; One locking unit, have a plurality of lock members and respectively with the inner peripheral interlock of above-mentioned interlock ring; An and fixing unit, have an axle center and a plurality of linking arm, one end in above-mentioned axle center is connected in above-mentioned rotating shaft, each above-mentioned linking arm has one first perforate and one second perforate, and above-mentioned first perforate is sheathed on above-mentioned axle center, and above-mentioned second perforate is connected with each above-mentioned lock member, wherein, when above-mentioned gripping unit rotates with a locking direction, above-mentioned interlock ring also rotates with above-mentioned locking direction, and drives above-mentioned a plurality of lock member and rotate with above-mentioned locking direction.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid locked instrument, wherein said gripping unit has a grip part, and is affixed with above-mentioned rotating shaft.
Aforesaid locked instrument, wherein said locking unit comprises a plurality of braking members, and the outer peripheral edges of above-mentioned a plurality of braking members contact with the inner peripheral of above-mentioned interlock ring, and above-mentioned a plurality of lock member is arranged in above-mentioned a plurality of braking member respectively.
Aforesaid locked instrument, the above-mentioned inner peripheral of wherein said interlock ring is a plurality of sawtooth, and each above-mentioned braking member is a gear, and the gear mesh of each above-mentioned braking member is answered above-mentioned a plurality of sawtooth of above-mentioned inner peripheral.
Aforesaid locked instrument, the above-mentioned inner peripheral of wherein said interlock ring is a rough surface, and each above-mentioned braking member also correspondence have a rough surface.
Aforesaid locked instrument, wherein said a plurality of second perforates are positioned at same plane.
Aforesaid locked instrument, wherein an end of at least one above-mentioned linking arm and its other end have one section difference.
Aforesaid locked instrument, wherein said fixing unit comprises an elasticity thimble, and above-mentioned elastic top needle guard is connected to above-mentioned axle center.
Aforesaid locked instrument, wherein said a plurality of lock members are respectively a screwdriver.
By technique scheme, locked instrument of the present invention has following advantage at least: locked instrument of the present invention is to utilize an interlock unit to drive a plurality of lock members simultaneously, and makes each lock member and gripping unit do equidirectional rotation.Therefore, when the user will grip the unit with a locking direction rotation, the interlock unit also can drive a plurality of lock members with the rotation of locking direction.Whereby, the strength that the user can apply an equalization a plurality of screws that lock simultaneously are with the variety of issue of avoiding each screw unbalance stress to be produced.
The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on apparatus structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing locking shell fragment has the effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is existing screwdriver locking radiating module schematic diagram.
Fig. 2 is the locked instrument exploded view of a preferred embodiment of the present invention.
Fig. 3 is the schematic top plan view of a preferred embodiment of the present invention interlock ring and another form of locking unit.
Fig. 4 is another form exploded view of locked instrument of a preferred embodiment of the present invention.
Fig. 5 A is the locked instrument of a preferred embodiment of the present invention radiating module schematic diagram that locks, Fig. 5 B be among Fig. 5 A locked instrument locking radiating module along A-A ' rectilinear profiles end view.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of locked instrument, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Please refer to shown in Figure 2ly, the locked instrument 4 of a preferred embodiment of the present invention comprises one and grips unit 41, an interlock unit 42 and a locking unit 43.
Grip unit 41 and have a rotating shaft 411, in addition, in the present embodiment, grip unit 41 and have more a grip part 412, itself and rotating shaft 411 are affixed, grip to make things convenient for the user.Wherein, rotating shaft 411 and grip part 412 also can be formed in one.
Interlock unit 42 is connected with rotating shaft 411, and has an interlock ring 421.In addition, interlock unit 42 also can be formed in one with gripping unit 41.
Locking unit 43 have a plurality of lock members 431 respectively with the inner peripheral 421a interlock of interlock ring 421, in present embodiment, be that example explains then with 4 lock members 431.In addition, present embodiment locking unit 43 has more a plurality of braking members 432, and each braking member 432 contacts with the inner peripheral 421a of interlock ring 421, and each lock member 431 is fixed in each braking member 432 for correspondence wears, in this, be that example explains with 4 braking members 432 in the present embodiment.
Again, lock member 431 more can have a key pin 431a, a nut 431b and a screwdriver 431c, screwdriver 431c is arranged in the key pin 431a and fixes with nut 431b, and lock member 431 is the protuberance on key pin 431a two sides and being fixed with the interior ring of braking member 432 then.Therefore, can carry out different types of screwdriver 431c and change by dismounting nut 431b during use.The person of noting, the structure of lock member 431 is not exceeded with present embodiment with composition, also can be directly that key pin 431a and screwdriver 431c is one-body molded, or utilize alternate manner, but can combine fixing with braking member 432 and can change screwdriver 431c for paying the utmost attention to.
Wherein, the inner peripheral 421a of interlock ring 421 can be a rough surface, and braking member 432 corresponding inner peripheral 421a also have a rough surface, and the unit 43 that locks whereby can produce rotation by the drive and interlock ring 421 interlocks of skin-friction force.
Please refer to shown in Figure 3ly, it is an interlock ring 421 ' and the schematic top plan view of another form of locking unit 43 ', shows for clear, has omitted gripping unit 41 among the figure.Except causing the effect of interlock with matsurface, interlock ring 421 ' also can utilize gear to reach interlock with locking unit 43 '.Inner peripheral 421a ' the indentation of interlock ring 421 ', and braking member 432 ' also corresponds to a gear, and the tooth pitch of the corresponding inner peripheral 421a ' of the tooth pitch of braking member 432 ', whereby when the 421 ' rotation of interlock ring, the braking member 432 ' of unit 43 ' of then locking also can and then rotate, to drive lock member 431 ' rotation.
In addition, please refer to shown in Figure 2ly again, present embodiment locked instrument 4 has more a fixing unit 44, and it comprises an axle center 441 and a plurality of linking arm 442.Wherein, 4 linking arms 442 with corresponding 4 lock members 431 are that example explains in the present embodiment.
Axle center 441 can utilize a cylinder, and one end 441a is connected with rotating shaft 411, and its other end then has a base plate 441b.
Have one first opening H1 and one second opening H2 on each linking arm 442 respectively.See through sheathed each first opening H1 in the axle center 441, each linking arm 442 can be fixed on the base plate 441b.Simultaneously, on axle center 441, wear a nut 441c, and corresponding axle center 441 is provided with a screw thread (not shown), each linking arm 442 is abutted one another between base plate 441b and nut 441c and fixes.In addition, lock member 431 is sheathed on each second opening H2 of each linking arm 442, can be so as to the fixing position of lock member 431.
It is the adjustment that the position is done in the center of circle with axle center 441 that each linking arm 442 can see through the first opening H1, makes each lock member 431 do the adjustment of position thereupon.In addition, for the strength that makes locking can be even, each lock member 431 and the second opening H2 need in the same plane.Therefore, the two ends of at least one linking arm 442 need have one section poor E, and in present embodiment, except that the linking arm 442 that is arranged at the most close axle center 441 base plate 441b, other 3 linking arm 442 two ends all have the section difference E that differs in size.Certainly, on linking arm 442 section of having difference E can make each lock member 431 and the second opening H2 in the same plane, also those linking arms 442 can be designed to one radially and be formed in one, thus, promptly the section of needs does not differ from the formation of E.
Please refer to Fig. 4, fixing unit 44 more can comprise an elasticity thimble 443, elasticity thimble 443 pass axle center 441 other end base plate 441b perforate h and with axle center 441 sockets, and the end that elasticity thimble 443 is connected with axle center 441 by a spring 443a to produce cushion effect, elasticity thimble 443 can withstand by the locking thing, and the application of force is too quickly when avoiding the user to lock.In addition, more can wear a for example nut 443b on the elasticity thimble 443, when adjusting locked instrument 4 lockings and the vertical range of object.
Then, please be simultaneously with reference to shown in Fig. 4, Fig. 5 A and Fig. 5 B, when the locked instrument 4 with present embodiment locks 4 screws 231 of radiating module 2, the user can be earlier aims at the screw 231 on shell fragment 23 pins of each lock member 431 of locking unit 43 and radiating module 2, and the elasticity thimble 443 of fixing unit 44 also is resisted against on the shell fragment 23 at this moment.Then, the grip part 412 that grips unit 41 is rotated with a locking direction D (being example in a clockwise direction), then rotating shaft 411 can drive interlock ring 421 with locking direction D rotation, each lock member 431 that locks simultaneously in the unit 43 also can be with locking direction D rotation, the strength that can apply an equalization whereby 4 screws 231 that lock simultaneously.
Again, along with lock member 431 is locked the locking seat 51 of circuit substrate 5 with screw 231, locked instrument 4 also moves down gradually, and elasticity thimble 443 is then upwards taken in the axle center 441 gradually.But when the base plate 441b in nut 443b on the elasticity thimble 443 and axle center 441 replaced, locked instrument 4 promptly can't continue screw 231 to be locked the locking seat 51 of circuit substrate 5 downwards.Thus, can avoid 23 pairs of cpu chips 1 of shell fragment of radiating module 2 to apply excessive pressure, and then cause cpu chip 1 to damage.
On the contrary,, then only need the grip part 412 that grips unit 41 is rotated with the direction of opposite with locking direction D (for example being a counter clockwise direction), can unclamp these screws 231 simultaneously as if will simultaneously those screws 231 being unclamped.
Therefore, utilize lock simultaneously a plurality of screws 231 on the shell fragment 23 that is arranged in radiating module 2 of the locked instrument 4 of present embodiment, application of force inequality makes the contact area inequality between radiating module 2 and cpu chip 1 upper surface except can avoid locking respectively the time, cause radiating module 2 can't bring into play effect or circuit substrate 5 unbalance stress cause problems such as bending, also can avoid 23 pairs of cpu chips 1 of shell fragment of radiating module 2 to apply excessive pressure, cause the damage of cpu chip 1.
At last, the person of noting, the locked instrument 4 of one embodiment of the invention does not exceed with locking radiating module 2, and lock the simultaneously situation of a plurality of screws of any needs all can be utilized the locked instrument 4 of one embodiment of the invention.For instance, locked instrument 4 also can be in order to a plurality of screws of peripheral cell connectivity port on the locking computer.
In sum, because of a kind of locked instrument of foundation one embodiment of the invention utilizes an interlock unit to drive a plurality of lock members simultaneously, and make each lock member and grip the unit and do equidirectional rotation.Therefore, when the user will grip the unit with a locking direction rotation, the interlock unit also can drive a plurality of lock members with the rotation of locking direction.User's strength that can apply an equalization a plurality of screws that lock simultaneously whereby are with the variety of issue of avoiding each screw unbalance stress to be produced.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.